Home / 343,318,111.20-514,977,166.80-305,904,664.80

Finding the Fourth Proportional to 343,318,111.20, 514,977,166.80 and 305,904,664.80

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Solution

The fourth proportional to 343,318,111.20, 514,977,166.80 and 305,904,664.80 is: 458,856,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318,111.20 : 514,977,166.80 = 305,904,664.80 : x
  2. Step 2: Convert to fraction form
    343,318,111.20/514,977,166.80 = 305,904,664.80/x
  3. Step 3: Cross multiply
    343,318,111.20x = 514,977,166.80 × 305,904,664.80
  4. Step 4: Simplify right side
    343,318,111.20x = 157,533,917,589,607,712
  5. Step 5: Solve for x
    x = 157,533,917,589,607,712/343,318,111.20
  6. Step 6: Final answer
    x = 458,856,997.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.